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Finding the Third Proportional to 11,419 and 17,165

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Solution

The third proportional to 11,419 and 17,165 is: 25,802.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,419 : 17,165 = 17,165 : x
  2. Step 2: Convert to fraction form
    11,419/17,165 = 17,165/x
  3. Step 3: Cross multiply
    11,419x = 17,165 × 17,165
  4. Step 4: Simplify right side
    11,419x = 294,637,225
  5. Step 5: Solve for x
    x = 294,637,225/11,419
  6. Step 6: Final answer
    x = 25,802.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.